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Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.

Minoxidil and finasteride treat hair loss; more research needed for other options.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Advanced human skin models improve drug development and could replace animal testing.

The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.

Mint essential oils can kill parasites that cause cystic echinococcosis, with M. pulegium oil being more effective than M. piperita oil.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.

Researchers found 71 genetic regions linked to male pattern baldness, which account for 38% of its genetic risk.

Nanocarrier-loaded gels improve drug delivery for cancer, skin conditions, and hair loss.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

Scientists created a gel with nanoparticles to deliver medicine to hair follicles effectively.

Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.

TGF-β2 plays a key role in human hair growth and development.

Melatonin solution helps treat hair loss in men and women.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Androgen is important in controlling stem cell differentiation, reducing fat development, and increasing lean mass.

The debate on direct-to-consumer pharmaceutical ads continues, with consumers finding them educational and doctors concerned about their impact on patient relationships and medication understanding.

Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.

Macrophages help hair growth after injury through CX3CR1 and TGF-β1.

Fibromodulin treatment helps reduce scarring and improves wound healing by making it more like fetal healing.

CD98hc's role in skin health decreases with age.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.

Sex hormones affect brain injury differently in males and females.

Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.